updated mpk file reads

src/memorypak.c

@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include "types.h"
 #include "memorypak.h"
+#include "ff.h"
 #include "fat_old.h"
 #include "menu.h"
 #include "mem.h"
@@ -91,16 +92,19 @@ char ___CountBlocks(char *bMemPakBinary, char *aNoteSizes)
 //old method to write a file to the mempak at controller 1
 void file_to_mpk(display_context_t disp, u8 *filename)
 {
-    u8 tmp[32];
     u8 buff[64];
-    u8 ok = 0;
 
     printText(filename, 9, -1, disp);
-    FatRecord rec_tmpf;
-    ok = fatFindRecord(filename, &rec_tmpf, 0);
     
-    u8 resp = 0;
+    
-    resp = fatOpenFileByName(filename, 0);
+    FRESULT result;
+    FIL file;
+    UINT bytesread;
+    result = f_open(&file, filename, FA_READ);
+
+    if (result == FR_OK)
+    {
+        //int fsize = f_size(&file);
 
         u8 *pch;
         pch = strrchr(filename, '.');
@@ -112,50 +116,82 @@ void file_to_mpk(display_context_t disp, u8 *filename)
             printText("skip header", 9, -1, disp);
 
             static uint8_t mempak_data_buff[36928];
-        resp = fatReadFile(&mempak_data_buff, 36928 / 512);
+
+            result =
+            f_read (
+                &file,        /* [IN] File object */
+                &mempak_data_buff,  /* [OUT] Buffer to store read data */
+                36928,         /* [IN] Number of bytes to read */
+                &bytesread    /* [OUT] Number of bytes read */
+            );
 
             memcpy(&mempak_data, mempak_data_buff + 4160, 32768);
         }
         else
         {
             printText("Z64 format", 9, -1, disp);
-        resp = fatReadFile(&mempak_data, 32768 / 512);
+            result =
+            f_read (
+                &file,        /* [IN] File object */
+                &mempak_data,  /* [OUT] Buffer to store read data */
+                32768,         /* [IN] Number of bytes to read */
+                &bytesread    /* [OUT] Number of bytes read */
+            );
         }
+        result = f_close(&file);
 
         int err = 0;
         for (int j = 0; j < 128; j++)
         {
             err |= write_mempak_sector(0, j, &mempak_data[j * MEMPAK_BLOCK_SIZE]);
         }
+    }
 }
 
 void view_mpk_file(display_context_t disp, char *mpk_filename)
 {
-    u8 tmp[32];
     u8 buff[64];
-    u8 ok = 0;
 
-    FatRecord rec_tmpf;
+    FRESULT result;
-    ok = fatFindRecord(mpk_filename, &rec_tmpf, 0);
+    FIL file;
+    UINT bytesread;
+    result = f_open(&file, mpk_filename, FA_READ);
 
-    u8 resp = 0;
+    if (result == FR_OK)
-    resp = fatOpenFileByName(mpk_filename, 0);
+    {
+        //int fsize = f_size(&file);
 
         u8 *pch;
         pch = strrchr(mpk_filename, '.');
         sprintf(buff, "%s", (pch + 2));
 
-    if (strcmp(buff, "64") == 0)
+        if (strcmp(buff, "64") == 0) //DEXDRIVE format
         {
             static uint8_t mempak_data_buff[36928];
-        resp = fatReadFile(&mempak_data_buff, 36928 / 512);
+
+            result =
+            f_read (
+                &file,        /* [IN] File object */
+                &mempak_data_buff,  /* [OUT] Buffer to store read data */
+                36928,         /* [IN] Number of bytes to read */
+                &bytesread    /* [OUT] Number of bytes read */
+            );
+
             memcpy(&mempak_data, mempak_data_buff + 4160, 32768);
         }
-    else
+        else //Z64 format
         {
-        resp = fatReadFile(&mempak_data, 32768 / 512);
+            result =
+            f_read (
+                &file,        /* [IN] File object */
+                &mempak_data,  /* [OUT] Buffer to store read data */
+                32768,         /* [IN] Number of bytes to read */
+                &bytesread    /* [OUT] Number of bytes read */
+            );
         }
           
+        result = f_close(&file);
+
         printText("File content:", 11, 5, disp);
         printText("   ", 11, -1, disp);
 
@@ -271,6 +307,7 @@ void view_mpk_file(display_context_t disp, char *mpk_filename)
         {
             printText("empty", 11, -1, disp);
         }    
+    }
 }
 
 void view_mpk(display_context_t disp)